AI OrbitExplore • Compare • Stay Ahead
Coding & Development Source verified Active

Codex

by OpenAI •Code Assistants

OpenAI coding agent for software engineering across IDE, CLI, cloud and programmable agent workflows.

PricingPaid Profile coverage72% PlatformsWeb + CLI CompanyOpenAI
COMMUNITY RATING Rate Codex 5.0/5 · 1 rating
Tap a star to rate instantly
Overview

What is Codex?

Codex is OpenAI's coding agent for software engineering workflows across editors, the CLI, local environments and OpenAI-managed cloud tasks. It can inspect codebases, make edits, run development tasks and be embedded programmatically through OpenAI's Codex/agent runtime options. Business, Enterprise and API data are not used for model training by default, while consumer-plan training behavior follows the user's ChatGPT data controls.
Best for
Code CompletionDebuggingCode ReviewSoftware Testing
Quick answers

Common questions about Codex

Short answers built from the structured profile and current pricing evidence. Missing facts are not guessed.

What is Codex?

Codex is OpenAI's coding agent for software engineering workflows across editors, the CLI, local environments and OpenAI-managed cloud tasks. It can inspect codebases, make edits, run development tasks and be embedded programmatically through OpenAI's Codex/ag Codex is provided by OpenAI. AI Orbit categorizes it under Coding & Development.

Is Codex free?

AI Orbit does not currently list a free plan for Codex in its pricing inventory. The pricing inventory includes plan-level verification dates; provider terms can still change.

How much does Codex cost?

AI Orbit currently lists 4 pricing plans for Codex. The current inventory includes paid plans starting at $25.00/month and usage-based pricing. Exact limits, billing units and verification dates are shown on the dedicated pricing page.

What is Codex best for?

Codex is mapped on AI Orbit to use cases including Code Completion, Debugging, Code Review and Software Testing. These are structured product-fit mappings; individually verified fit notes are shown elsewhere on the profile when available.

Decision intelligence

AI Orbit decision brief

A compact reading of the recorded evidence, editorial review signals and comparison data for Codex.

Why it stands out

Recorded strengths

API access

Verified profile evidence records API access for this tool.

Source-backed capability Source
Enterprise access controls

Verified security evidence records SSO / SAML availability.

Source-backed capability Source
Capabilities0/6 verified
Use-case fit0/4 verified
Pricing evidence4/4 plans checked
Verified sources8
Benchmarks1 verified

Built from AI Orbit's recorded profile data. Unknown product facts are not inferred.

Capabilities

Features & use cases

Core capabilities listed for Codex.

Code Generation

Generates source code, functions, components or complete implementations.

Source review in progress Source

Agent Workflows

Plans and executes multi-step tasks with tools, state or autonomous actions.

Source review in progress Source

Code Execution

Runs code or uses an execution environment to calculate, test or transform data.

Source review in progress Source

Code Review & Debugging

Reviews code, identifies defects and recommends or applies fixes.

Source review in progress Source

Computer Use

Interacts with graphical computer interfaces to complete tasks.

Source review in progress Source

Integrations

Connects with third-party applications, data sources or automation platforms.

Source review in progress Source
WebCLIIDE #Developer Focused#Professional
Technical profile

Access, deployment & licensing

Structured product facts with evidence status. Unknown facts are never guessed.

Trust intelligence

Privacy, security & compliance

Provider policies and certifications are shown only when recorded with evidence.

Data training policy

Depends on plan / workspace settings

Verified fact Privacy source
Privacy: OpenAI states that Business, Enterprise and API inputs/outputs are not used for training by default; Plus and Pro use follows ChatGPT data-control settings.
Security: ChatGPT Business includes encrypted business data, centralized administration, MFA and SAML SSO while Codex access is included with eligible Business seats.
Pricing

Pricing overview

Pricing stored in AI Orbit's pricing database. Always verify final rates on the provider website.

Codex

ChatGPT plan access

Included

Included with eligible ChatGPT plans; usage limits vary by plan.

Review · verified 2 weeks ago

  • Codex access is included with eligible ChatGPT seats/plans
  • API platform billing remains separate.
Codex

Flexible usage / overage

Usage-based

Credit- or token-based usage after included limits; see official current rate card.

Review · verified 2 weeks ago

  • Flexible usage extends usage beyond included seat limits
  • exact rates depend on the workspace/API product used.
Codex

ChatGPT Business Standard seat

USD 25/month

USD 240.00 billed yearly

Review · verified 2 weeks ago

  • Standard Business seat includes ChatGPT
  • ChatGPT Work and Codex. Annual equivalent: $20/user/month.
Codex

ChatGPT Business Premium seat

USD 125/month

USD 1,200.00 billed yearly

Review · verified 2 weeks ago

  • Premium Business seat includes higher usage limits for ChatGPT
  • Work and Codex. Annual equivalent: $100/user/month.
View full Codex pricing, plans & price history
Evidence-separated performance

Verified benchmarks & scores

AI Orbit keeps technical tests, product-experience evidence and independent research in separate semantic classes. Only comparable results may contribute to the same composite.

Unclassified

Evidence not yet safe to place in a comparable benchmark class; excluded from universal composites.

Evidence only
Software Engineering Unclassified Verified Benchmark org

Terminal-Bench 2.0 — Agent Accuracy

Tested product / versionCodex CLI | GPT-5.5
82.2 / 100
#1 of 2
Same-benchmark rank#1 of 2 tools
Scoring directionHigher is better
Leader context Current verified leader
TestedApr 23, 2026
Terminal-Bench AI Orbit verified Aug 28, 2026
Guides & analysis

Research related to Codex

Only published guides with a direct tool, provider or category relationship are shown here.

Alternatives

Evidence-based similar tools

Ranked by use-case, capability, pricing, platform, taxonomy and compatible benchmark overlap—not popularity alone.

Make a confident choice

Is Codex right for your workflow?

Compare features, pricing and alternatives before you decide.

Explore more toolsTry Codex
Common questions

Codex FAQ

Quick answers based on the information currently available in this AI Orbit profile.

What is Codex?

Codex is OpenAI's coding agent for software engineering workflows across editors, the CLI, local environments and OpenAI-managed cloud tasks. It can inspect codebases, make edits, run development tasks and be embedded programmatically through OpenAI's Codex/agent runtime options. Codex is provided by OpenAI and AI Orbit categorizes it under Coding & Development. Its structured capability profile includes Code Generation, Agent Workflows, Code Execution and Code Review & Debugging; field-level verification may still be pending for some capability mappings.

Who makes Codex?

Codex is provided by OpenAI. AI research and deployment company developing frontier models, multimodal systems, developer APIs and consumer AI products. Within AI Orbit, the product is cataloged in Coding & Development, which describes its primary product category rather than the provider itself.

What is Codex best for?

AI Orbit currently maps Codex to structured use cases including Code Completion, Debugging, Code Review and Software Testing. These are reviewed taxonomy mappings used for discovery and fit; field-level evidence may still be pending, so they are not presented as independently verified claims. Supporting cataloged capabilities include Code Generation, Agent Workflows, Code Execution and Code Review & Debugging.

Does Codex have an API?

Yes. AI Orbit has verified official evidence that Codex provides API access. The profile also records official API documentation, so developers can check supported endpoints, authentication and current implementation details at the provider source. API availability can change independently from the consumer product, so production implementations should still be checked against the provider documentation.

How does Codex handle privacy and security?

OpenAI states that Business, Enterprise and API inputs/outputs are not used for training by default; Plus and Pro use follows ChatGPT data-control settings. AI Orbit records the data-training policy as: Depends on plan / workspace settings. ChatGPT Business includes encrypted business data, centralized administration, MFA and SAML SSO while Codex access is included with eligible Business seats. These statements reflect the verified provider evidence stored by AI Orbit; policies and certifications can change, so sensitive deployments should re-check the current official documentation.

How much does Codex cost?

AI Orbit currently has verified plan-level pricing data for Codex, including ChatGPT plan access, Flexible usage / overage, ChatGPT Business Standard seat and ChatGPT Business Premium seat. Exact rates, billing units, limits and verification dates are shown in the pricing section of this profile rather than compressed into a single potentially misleading price. Because providers can change prices and plan limits, check the linked official pricing source before making a purchase or production decision.